"No army can be compared with the power of an idea whose time has come." French writer Victor Hugo understood that ideas born at a proper time produce ideas shattering the universe, ideas that are doomed to be great. But greatness can be of different nature: great and beautiful, great and ugly, great and scary. A great idea may have all these qualities, thus producing admiration, disgust, or fear. This radio program presents various great ideas.

"All European philosophy is only notes on the margins of Plato's works." This expression is rather striking than correct, but the fact that this statement is made by a philosopher like Alfred Wighthead confirms the reverence that philosophers of the late period had toward the citizen of Athens, Plato, who lived almost 2400 years ago.